{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["alternate names", "city of headquarters", "founded by", "country of headquarters"], "input": "Competitor  UnitedHealth Group  Inc. said last week its second-quarter profit more than doubled compared to the same quarter last year when legal charges weighed down the  Minnetonka  Minnesota insurer's performance ."}
{"alternate names": [], "city of headquarters": [{"subject": "UnitedHealth Group", "object": "Minnetonka"}], "founded by": [], "country of headquarters": []}